Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715467 | Method for purifying a chlorine supply | Robert A. Doerr, Steven D. Gagnon, Johannes Jacobs, Thomas A. Grzanka | 2014-05-06 |
| 8512447 | Method for purifying a chlorine supply | Robert A. Doerr, Steven D. Gagnon, Johannes Jacobs, Thomas A. Grzanka | 2013-08-20 |